Package org.apache.hadoop.yarn.nodelabels.store.op

Class NodeAttributeMirrorOp

java.lang.Object

org.apache.hadoop.yarn.nodelabels.store.op.FSNodeStoreLogOp<NodeAttributesManager>

org.apache.hadoop.yarn.nodelabels.store.op.NodeAttributeMirrorOp

All Implemented Interfaces:

StoreOp<java.io.OutputStream,java.io.InputStream,NodeAttributesManager>

public class NodeAttributeMirrorOp
extends FSNodeStoreLogOp<NodeAttributesManager>

File System Node Attribute Mirror read and write operation.

Constructor Summary

Constructors

Constructor	Description
NodeAttributeMirrorOp()

Method Summary

Modifier and Type	Method	Description
int	getOpCode()
void	recover(java.io.InputStream is, NodeAttributesManager mgr)	Read and populate StoreOp.
void	write(java.io.OutputStream os, NodeAttributesManager mgr)	Write operation to persistent storage.

Methods inherited from class org.apache.hadoop.yarn.nodelabels.store.op.FSNodeStoreLogOp

getNodeToAttributesMap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NodeAttributeMirrorOp

public NodeAttributeMirrorOp()

Method Detail

write

public void write(java.io.OutputStream os,
                  NodeAttributesManager mgr)
           throws java.io.IOException

Description copied from interface: StoreOp

Write operation to persistent storage.

Parameters:

os - write to be done to

mgr - manager used by store

Throws:

java.io.IOException - io error occur.

recover

public void recover(java.io.InputStream is,
                    NodeAttributesManager mgr)
             throws java.io.IOException

Description copied from interface: StoreOp

Read and populate StoreOp.

Parameters:

is - read to be done from

mgr - manager used by store

Throws:

java.io.IOException - io error occur.

getOpCode

public int getOpCode()

Specified by:

getOpCode in class FSNodeStoreLogOp<NodeAttributesManager>